71496720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:717

約数の個数: 120

約数和(自身を含む): 241800000

約数和(自身を除く): 170303280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 199, 240, 360, 398, 499, 597, 720, 796, 995, 998, 1194, 1497, 1592, 1791, 1990, 1996, 2388, 2495, 2985, 2994, 3184, 3582, 3980, 3992, 4491, 4776, 4990, 5970, 5988, 7164, 7485, 7960, 7984, 8955, 8982, 9552, 9980, 11940, 11976, 14328, 14970, 15920, 17910, 17964, 19960, 22455, 23880, 23952, 28656, 29940, 35820, 35928, 39920, 44910, 47760, 59880, 71640, 71856, 89820, 99301, 119760, 143280, 179640, 198602, 297903, 359280, 397204, 496505, 595806, 794408, 893709, 993010, 1191612, 1489515, 1588816, 1787418, 1986020, 2383224, 2979030, 3574836, 3972040, 4468545, 4766448, 5958060, 7149672, 7944080, 8937090, 11916120, 14299344, 17874180, 23832240, 35748360, 71496720]

約数ペア:

[(1, 71496720), (2, 35748360), (3, 23832240), (4, 17874180), (5, 14299344), (6, 11916120), (8, 8937090), (9, 7944080), (10, 7149672), (12, 5958060), (15, 4766448), (16, 4468545), (18, 3972040), (20, 3574836), (24, 2979030), (30, 2383224), (36, 1986020), (40, 1787418), (45, 1588816), (48, 1489515), (60, 1191612), (72, 993010), (80, 893709), (90, 794408), (120, 595806), (144, 496505), (180, 397204), (199, 359280), (240, 297903), (360, 198602), (398, 179640), (499, 143280), (597, 119760), (720, 99301), (796, 89820), (995, 71856), (998, 71640), (1194, 59880), (1497, 47760), (1592, 44910), (1791, 39920), (1990, 35928), (1996, 35820), (2388, 29940), (2495, 28656), (2985, 23952), (2994, 23880), (3184, 22455), (3582, 19960), (3980, 17964), (3992, 17910), (4491, 15920), (4776, 14970), (4990, 14328), (5970, 11976), (5988, 11940), (7164, 9980), (7485, 9552), (7960, 8982), (7984, 8955)]